class_docstr: Base class for all Airflow sensor decorators.
code: def flow_init(
      self,
      flow,
      graph,
      environment,
      flow_datastore,
      metadata,
      logger,
      echo,
      options,
  ):
      self.validate()
  
file_path: metaflow/metaflow/plugins/airflow/sensors/base_sensor.py
imports: import uuid
  from metaflow.decorators import FlowDecorator
  from ..exception import AirflowException
  from ..airflow_utils import AirflowTask, id_creator, TASK_ID_HASH_LEN
label_desc: Use image node_id 5 for calling the AirflowSensorDecorator obj's underlying member method code with example usage: obj.flow_init(flow, graph, environment, flow_datastore, metadata, logger, echo, options) without return types